Ken Akiba is an associate professor of philosophy at Virginia Commonwealth University. His areas of specialty are philosophical logic, philosophy of language, and metaphysics. His particular interest over the years has been on vagueness and indeterminacy. He has published papers on vagueness in such journals as Mind, Noûs, Synthese, and Journal of Philosophical Logic. He is the co-editor of Vague Objects and Vague Identity: New Essays on Ontic Vagueness (Springer, 2014) and author of The Philosophy Major's Introduction to Philosophy: Concepts and Distinctions (Routledge, 2021). His work on vagueness and indeterminacy has recently been featured in such introductory textbooks as Alyssa Ney, Metaphysics, 2nd edn. (Routledge, 2023), and Alessandro Torza, Indeterminacy in the World (Cambridge Elements in Metaphysics, 2023). He has just written an encyclopedia article on vagueness for H. Nesi & M. Pilin (eds.), International Encyclopedia of Language and Linguistics, 3rd edition (Elsevier).